Overview Product Description **Please Note Product May ship under original Marathon number** (see cross references)Applications: Residential & commercial fans & blowers where low starting torque is required (air conditioning, roof ventilators, & exhaust fans).Features: All angle sleeve or ball bearings NEMA Service Factors Variable torque on two speed motors Heavy gauge steel frame with resilient "cradle" style base 48Y and 48YZ Frame have 48/56 Frame mounting holes UL Recognized and CSA Certified1/2 HP1725/1140 RPM115 Volts56 FrameBall Bearing1.25 Service Factor8.1/4.5 Full Load AmpsModel # 56S17D57015/8" Thru-bolt, shaft endCross Reference: 5KH49PN3026X Marathon B600 Century F391 Product Videos Custom Field Product Reviews